Home / 1,938,036.68-2,674,490.64-1,078,799.94

Finding the Fourth Proportional to 1,938,036.68, 2,674,490.64 and 1,078,799.94

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Solution

The fourth proportional to 1,938,036.68, 2,674,490.64 and 1,078,799.94 is: 1,488,743.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,036.68 : 2,674,490.64 = 1,078,799.94 : x
  2. Step 2: Convert to fraction form
    1,938,036.68/2,674,490.64 = 1,078,799.94/x
  3. Step 3: Cross multiply
    1,938,036.68x = 2,674,490.64 × 1,078,799.94
  4. Step 4: Simplify right side
    1,938,036.68x = 2,885,240,341,962.56
  5. Step 5: Solve for x
    x = 2,885,240,341,962.56/1,938,036.68
  6. Step 6: Final answer
    x = 1,488,743.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.